A) Explanation: * [root@node2 ~]# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT vdb 252:16 0 5G 0 disk vdb1 252:17 0 4.2G 0 part vgrz-lvrz 253:2 0 4.1G 0 lvm /datarz vdc 252:32 0 5G 0 disk vdc1 252:33 0 4.4G 0 part datavg-datalv 253:3 0 3.9G 0 lvm /data vdd 252:48 0 5G 0 disk vde 252:64 0 10G 0 disk [root@node2 ~]# lvs LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert lvrz vgrz -wi-ao---- 4.10g [root@node2 ~]# vgs VG #PV #LV #SN Attr VSize VFree vgrz 1 1 0 wz--n- <4.15g 48.00m [root@node2 ~]# parted /dev/vdb print Number Start End Size Type File system Flags 1 1049kB 4456MB 4455MB primary lvm * [root@node2 ~]# df -hT Filesystem Type Size Used Avail Use% Mounted on /dev/mapper/vgrz-lvrz ext4 4.0G 17M 3.8G 1% /datarz [root@node2 ~]# parted /dev/vdb mkpart primary 4456MiB 5100MiB [root@node2 ~]# parted /dev/vdb set 2 lvm on [root@node2 ~]# udevadm settle [root@node2 ~]# pvcreate /dev/vdb2 Physical volume '/dev/vdb2' successfully created. * [root@node2 ~]# vgextend vgrz /dev/vdb2 Volume group 'vgrz' successfully extended [root@node2 ~]# lvextend -r -L 4600M /dev/vgrz/lvrz Size of logical volume vgrz/lvrz changed from 4.10 GiB (1050 extents) to 4.49 GiB (1150 extents). Logical volume vgrz/lvrz successfully resized. [root@node2 ~]# resize2fs /dev/vgrz/lvrz [root@node2 ~]# df -hT Filesystem Type Size Used Avail Use% Mounted on /dev/mapper/vgrz-lvrz ext4 4.4G 17M 4.2G 1% /datarz